Sekt͡s︡ii͡a︡ "Prometeĭ"
Subtitle: primerna programa za izuchavane zhivota i deloto na Karl Marks, F[r]idrikh Engels i Dimitŭr Blagoev : za srednoshkolt͡s︡i.
Publisher: T͡S︡entr. kom-t na DKMS
Published: 1978
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 39